CN218900459U

CN218900459U - Front screw push rod micro high pressure injector capable of being assembled and disassembled quickly

Info

Publication number: CN218900459U
Application number: CN202222259706.2U
Authority: CN
Inventors: 吴涛
Original assignee: Guangdong Agricultural Reclamation Center Hospital
Current assignee: Guangdong Agricultural Reclamation Center Hospital
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-04-25
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to the technical field of medical supplies, and discloses a micro-high-pressure injector with a front spiral push rod, which is capable of being quickly assembled and disassembled and is suitable for micro-high-pressure conditions required by scar injection medicines, and comprises a hollow pipe and an injector, wherein the injector is detachably connected in the hollow pipe, a notch is formed in the hollow pipe, the injector is installed in the hollow pipe from the notch, and a detachable propelling component is sleeved on the hollow pipe; through having set up propulsion unit, can make things convenient for laborsaving more, accurately push away the notes medicine, through having set up run through the groove and set up the breach on the nut, conveniently realize propulsion unit and hollow tube's installation and dismantlement fast, need not to pull down the syringe again after the injection finishes and take out the medicine, save time, through setting up hollow tube front end into interior conical structure, can block the syringe needle when the injection, the high pressure when avoiding the injection causes the syringe needle to break away from, whole device length is shorter when using, convenient stable operation, the practicality is strong.

Description

Front screw push rod micro high pressure injector capable of being assembled and disassembled quickly

Technical Field

The utility model relates to the technical field of medical supplies, in particular to a preposed spiral push rod micro-high pressure injector capable of being quickly assembled and disassembled.

Background

In medical equipment, an injector is common medical equipment, along with the development of medical technology, more and more medicines need to enter a human body through the injector, the injector which is commonly used at present directly uses a push rod to drive a piston to move in an injector main body for sucking or injecting, and a high-pressure injector is required to be used for injecting medicines for treating scars, so that the injection quantity of each injection point is ensured to be 0.1ml.

The existing micro-high pressure injector is the best 'needleless injector', but has the defects of high price, high pressure sterilization, periodical replacement of sealing materials, more overflow of liquid medicine and the like before use, and the common mechanical high pressure injector is a disposable injector with a special rotary needle, but a hospital is generally not provided with an injector with a screwed needle, so that the syringe is inconvenient to commonly use, and the spiral pushing rod needs to reversely rotate and return each time when the injector is used, so that the size is long, the operation is complicated, the time is wasted, and the practicability is poor.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a preposed spiral push rod micro-high pressure injector which can be quickly assembled and disassembled, has the advantages of quickly assembled and disassembled push rods, no need of disassembling the injector to re-pump medicine, and can use a common injector, thereby solving the problems of time waste and poor practicability of the prior injector that the push rods need to be re-rotated to the original positions after the injection is finished.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a can quick loading and unloading leading spiral push rod little high-pressure syringe, includes hollow tube and syringe, can dismantle in the hollow tube and be connected with the syringe, be provided with the breach on the hollow tube, the syringe is installed in the hollow tube from breach, the syringe includes the needle tubing, the needle tubing front end is provided with detachable syringe needle, the needle tubing end is provided with fixed connection's handle, be provided with slidable push rod in the needle tubing, the cover is equipped with detachable propulsion unit on the hollow tube, propulsion unit can dismantle with the push rod and be connected.

Preferably, the propulsion component comprises a nut, external threads matched with the nut are arranged on the outer wall of the hollow tube, the nut is in detachable threaded connection with the hollow tube, extension rods fixedly connected with two sides of the nut are respectively provided, discs are fixedly connected with the tail ends of the extension rods, and the discs are detachably connected with the push rod.

Through adopting above-mentioned scheme, through having set up propulsion unit can make things convenient for more laborsaving, accurately push away the injection medicine, control the injection.

Preferably, the disc is provided with a groove which is matched with the push rod.

Through adopting above-mentioned scheme, through setting up the recess and conveniently block the push rod when the injection, avoid push rod and disc to break away from.

Preferably, a notch is formed in the nut, penetrating grooves are formed in the front end and the rear end of the hollow tube, and the nut is connected with and detached from the hollow tube from the two penetrating grooves.

Through adopting above-mentioned scheme, through having set up the installation and the dismantlement that runs through the groove convenient quick realization propulsion subassembly and hollow tube, need not to dismantle the syringe after the injection finishes and take out the medicine again to propulsion subassembly also need not reverse rotation and returns to the normal position.

Preferably, the arc of the nut notch is less than 180 °.

Through adopting above-mentioned scheme, through the breach setting of nut less, can avoid breaking away from the hollow tube at the injection in-process nut.

Preferably, the front end of the hollow tube is of an inner conical structure, and the needle is detachably connected with the front end of the inner conical structure of the hollow tube.

Through adopting above-mentioned scheme, through setting up hollow tube front end into interior conical structure, can block the syringe needle when the injection, the high pressure when avoiding the injection causes the syringe needle to break away from.

Preferably, the tail end of the hollow tube is provided with a clamping groove matched with the handle, and the handle is detachably arranged in the clamping groove.

Through adopting above-mentioned scheme, through having set up the draw-in groove and conveniently blocked the syringe in hollow tube, avoid the syringe to rock at will when injecting the medicine.

(III) beneficial effects

Compared with the prior art, the utility model provides the preposed spiral push rod micro-high pressure injector which can be quickly assembled and disassembled, and has the following beneficial effects:

this but quick loading and unloading leading screw push rod trace high-pressure syringe, through having set up propulsion unit, can make things convenient for laborsaving more, accurately push away the injection medicine, control the injection, through having set up the through groove and set up the breach on the nut, conveniently realize propulsion unit and hollow tube's installation and dismantlement fast, need not to pull down the syringe again after the injection is accomplished, and propulsion unit also need not reverse rotation and get back to the normal position, save time, through setting up hollow tube front end to interior conical structure, can block the syringe needle when the injection, the high pressure when avoiding the injection causes the syringe needle to break away from, therefore can use ordinary syringe, save cost, whole device length is shorter when using, convenient stable operation, be applicable to the trace high pressure condition that scar injection medicine required, the practicality is strong.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model in a working state;

FIG. 2 is a schematic view of a second structure of the present utility model in a working state;

FIG. 3 is a schematic view of a three-structure working state of the utility model;

FIG. 4 is a schematic view of a fourth embodiment of the present utility model;

fig. 5 is a schematic view of a fifth working state structure of the present utility model.

In the figure: 1. a hollow tube; 101. a through groove; 102. a clamping groove; 2. a syringe; 201. a needle tube; 202. a needle; 203. a handle; 204. a push rod; 3. a propulsion assembly; 301. a nut; 302. an extension rod; 303. a disc; 304. a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a can install and remove leading screw push rod little high-pressure syringe, including hollow tube 1 and syringe 2, can dismantle in the hollow tube 1 and be connected with syringe 2, be provided with the breach on the hollow tube 1, syringe 2 installs in hollow tube 1 from breach, syringe 2 includes needle tubing 201, the needle tubing 201 front end is provided with detachable syringe needle 202, the needle tubing 201 end is provided with fixed connection's handle 203, be provided with slidable push rod 204 in the needle tubing 201, preferably, syringe 2 is the general syringe of hospital, hollow tube 1 front end is interior conical structure, syringe needle 202 is dismantled with hollow interior conical front end and is connected, interior conical front end can block syringe needle 202 when the injection, avoid the high pressure during the injection to lead to the fact syringe needle 202 break away from and lead to the fact the liquid medicine overflow, hollow tube 1 end is provided with the draw-in groove 102 that coincides with handle 203, handle 203 detachable sets up in draw-in groove 102, the draw-in groove 102 conveniently blocks syringe 2 in hollow tube 1, avoid syringe 1 to shake at will when injecting medicine;

the hollow tube 1 is sleeved with the detachable propelling component 3, the propelling component 3 is detachably connected with the push rod 204, the propelling component 3 comprises a nut 301, external threads matched with the nut 301 are arranged on the outer wall of the hollow tube 1, the nut 301 is detachably connected with the hollow tube 1 through threads, a notch is formed in the nut 301, penetrating grooves 101 are formed in the front end and the rear end of the hollow tube 1, the nut 301 is connected with the hollow tube 1 from two penetrating grooves 101 and is detached, due to the penetrating grooves 101, the notch of the nut 301 is conveniently sleeved on the hollow tube 1 from the penetrating grooves 101, the installation and detachment of the nut 301 and the hollow tube 1 are rapidly realized, the circular arc of the notch of the nut 301 is smaller than 180 degrees, due to the small notch, the fact that the nut 301 is detached from the hollow tube 1 in the injection process can be avoided, the two sides of the nut 301 are respectively provided with a fixedly connected extension rod 302, the tail ends of the two extension rods 302 are fixedly connected with a disc 303, the disc 303 is detachably connected with the push rod 204, the nut 301 can drive the disc 303 to move when rotating on the hollow tube 1, the disc 303 pushes the push rod 204 to move, the push rod 304 can realize injection work, and due to the fact that the movement of the nut 301 is more evenly moved, the disc 303 is more evenly matched with the push rod 204, and the push rod 204 is more conveniently arranged on the push rod 204, and the injection groove 204 is more convenient to be used for injecting the injection, and the injection device is more convenient.

Referring to fig. 1-2, before injection, push rod 204 is pulled to inject medicine into needle tube 201, then syringe 2 is placed into hollow tube 1 from the notch of hollow tube 1, and needle 202 is guaranteed to be contacted with the conical front end in hollow tube 1, handle 203 is clamped into clamping groove 102, at this time syringe 2 is limited and can not move, needle 202 is clamped and is guaranteed not to be separated from needle tube 201, nut 301 is sleeved on hollow tube 1 from penetrating groove 101 at the rear end of hollow tube 1, extension rod 302 is held to rotate nut 301, nut 301 is guaranteed to be connected with hollow tube 1 in a threaded manner, nut 301 drives disc 303 to move when rotating on hollow tube 1, disc 303 is guaranteed to be slowly close to push rod 204, and after push rod 204 is clamped into groove 304, nut 301 is stopped rotating, and early preparation is completed;

referring to fig. 3-4, during injection, one hand holds the hollow tube 1, the needle 202 is pricked into the scar, then the other hand holds the two extension rods 302 to start rotating, the extension rods 302 drive the nuts 301 to rotate on the hollow tube 1, drive the discs 303 to move, and further push the push rod 204 to slowly move to start injection, and as the nuts 301 are in threaded connection with the hollow tube 1, the injection process is slowly performed at a uniform speed, the injection amount is micro and controllable, so that when fingers directly push the push rod 204, the injection amount is prevented from being excessively large, and after the injection is finished, the nuts 301 just reach the through groove 101 at the front end of the hollow tube 1;

referring to fig. 5, after the injection is completed, the needle 202 is pulled out from the scar, the extension rod 302 is pulled off, the nut 301 is detached from the through groove 101 at the front end of the hollow tube 1, at this time, the push rod 204 leaves the groove 304, the syringe 2 can be restarted to suck medicine into the syringe 2 without taking out the syringe 2 from the hollow tube 1, then the operation is repeated, the nut 301 is sleeved on the hollow tube 1 from the through groove 101 at the rear end of the hollow tube 1, the injection work is restarted, the installation and the detachment of the propulsion component 3 and the hollow tube 1 can be realized rapidly in the whole process, the syringe 1 does not need to be detached after the injection is completed, the propulsion component 3 does not need to be rotated reversely to return to the original position, and the injection device is convenient and quick to use.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but leading spiral push rod little high-pressure syringe of quick loading and unloading, includes hollow tube (1) and syringe (2), its characterized in that: can dismantle in hollow tube (1) and be connected with syringe (2), be provided with the breach on hollow tube (1), in hollow tube (1) is installed from the breach to syringe (2), syringe (2) are including needle tubing (201), needle tubing (201) front end is provided with detachable syringe needle (202), needle tubing (201) end is provided with fixed connection's handle (203), be provided with slidable push rod (204) in needle tubing (201), the cover is equipped with detachable propulsion unit (3) on hollow tube (1), propulsion unit (3) are connected with push rod (204) can be dismantled.

2. The rapid-detachable pre-screw push rod micro high pressure injector of claim 1, wherein: the propelling component (3) comprises a nut (301), external threads matched with the nut (301) are arranged on the outer wall of the hollow tube (1), the nut (301) is detachably connected with the hollow tube (1) through threads, extension rods (302) fixedly connected with each other are arranged on two sides of the nut (301), discs (303) are fixedly connected to the tail ends of the extension rods (302), and the discs (303) are detachably connected with the push rod (204).

3. The rapid-detachable pre-screw push rod micro high pressure injector of claim 2, wherein: the disc (303) is provided with a groove (304) which is matched with the push rod (204).

4. The rapid-detachable pre-screw push rod micro high pressure injector of claim 2, wherein: the nut (301) is provided with a notch, the front end and the rear end of the hollow tube (1) are respectively provided with a through groove (101), and the nut (301) is connected with and detached from the hollow tube (1) from the two through grooves (101).

5. The rapid-detachable pre-screw push rod micro high pressure injector of claim 4, wherein: the arc of the notch of the nut (301) is smaller than 180 degrees.

6. The rapid-detachable pre-screw push rod micro high pressure injector of claim 1, wherein: the front end of the hollow tube (1) is of an inner conical structure, and the needle head (202) is detachably connected with the front end of the inner conical structure of the hollow tube (1).

7. The rapid-detachable pre-screw push rod micro high pressure injector of claim 6, wherein: the tail end of the hollow tube (1) is provided with a clamping groove (102) which is matched with the handle (203), and the handle (203) is detachably arranged in the clamping groove (102).